/*
 * Copyright (C) 2012-2016 Markus Junginger, greenrobot (http://greenrobot.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.greenrobot.eventbus.ohos;

import ohos.hiviewdfx.HiLog;
import ohos.hiviewdfx.HiLogLabel;
import org.greenrobot.eventbus.Logger;

import java.util.logging.Level;

public class OhosLogger implements Logger {
    private static final boolean OHOS_LOG_AVAILABLE;

    static {
        boolean log = false;
        try {
            log = Class.forName("ohos.hiviewdfx.HiLog") != null;
        } catch (ClassNotFoundException e) {
            Logger.Default.get().log(Level.WARNING, e.toString());
        }
        OHOS_LOG_AVAILABLE = log;
    }

    /**
     * get openharmonyLog is available
     *
     * @return boolean
     */
    public static boolean isOhosLogAvailable() {
        return OHOS_LOG_AVAILABLE;
    }


    private final HiLogLabel tag;

    public OhosLogger(String tag) {
        if (OHOS_LOG_AVAILABLE) {
            this.tag = new HiLogLabel(HiLog.DEBUG, 0xAAABB, tag);
        } else {
            this.tag = null;
        }
    }

    public void log(Level level, String msg) {
        if (level != Level.OFF) {
            print(level, msg);
        }
    }

    public void log(Level level, String msg, Throwable th) {
        if (level != Level.OFF) {
            // That's how Log does it internally
            print(level, msg + "\n" + HiLog.getStackTrace(th));
        }
    }

    private void print(Level level, String msg) {
        int value = level.intValue();
        if (value < 800) { // below INFO
            if (value < 500) { // below FINE
                HiLog.debug(tag, msg);
            } else {
                HiLog.debug(tag, msg);
            }
        } else if (value < 900) { // below WARNING
            HiLog.info(tag, msg);
        } else if (value < 1000) { // below ERROR
            HiLog.warn(tag, msg);
        } else {
            HiLog.error(tag, msg);
        }
    }
}
